Metre
id:
metre-204-5691125
title:
Metre
text:
The metre is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined as the length of the path travelled by light in vacuum during a time interval of 1/299792458 of a second, where the second is defined by a hyperfine transition frequency of caesium. The metre was originally defined in 1791 by the French National Assembly as one ten-millionth of the distance from the equator to the North Pole along a great circle, so the Earth's polar circumfer
brand slug:
wiki
category slug:
encyclopedia
description:
SI unit of length
original url:
https://en.wikipedia.org/wiki/Metre
date created:
2001-11-01T04:34:30Z
date modified:
2024-09-09T22:15:25Z
main entity:
{"identifier":"Q11573","url":"https://www.wikidata.org/entity/Q11573"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/2/22/M%C3%A8tre-%C3%A9talon_Paris.JPG","width":3072,"height":2304}
fields total:
13
integrity:
16